From: Will Deacon <will@kernel.org>
To: Andrey Konovalov <andreyknvl@gmail.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Catalin Marinas <catalin.marinas@arm.com>
Cc: kernel-team@android.com, Will Deacon <will@kernel.org>,
Peter Collingbourne <pcc@google.com>,
kasan-dev@googlegroups.com,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org
Subject: Re: [PATCH v2 0/4] kasan: Fix ordering between MTE tag colouring and page->flags
Date: Thu, 7 Jul 2022 11:33:23 +0100 [thread overview]
Message-ID: <165718731822.1443949.8673222178303126682.b4-ty@kernel.org> (raw)
In-Reply-To: <20220610152141.2148929-1-catalin.marinas@arm.com>
On Fri, 10 Jun 2022 16:21:37 +0100, Catalin Marinas wrote:
> That's a second attempt on fixing the race race between setting the
> allocation (in-memory) tags in a page and the corresponding logical tag
> in page->flags. Initial version here:
>
> https://lore.kernel.org/r/20220517180945.756303-1-catalin.marinas@arm.com
>
> This new series does not introduce any new GFP flags but instead always
> skips unpoisoning of the user pages (we already skip the poisoning on
> free). Any unpoisoned page will have the page->flags tag reset.
>
> [...]
Applied to arm64 (for-next/mte), thanks!
[1/4] mm: kasan: Ensure the tags are visible before the tag in page->flags
https://git.kernel.org/arm64/c/ed0a6d1d973e
[2/4] mm: kasan: Skip unpoisoning of user pages
https://git.kernel.org/arm64/c/70c248aca9e7
[3/4] mm: kasan: Skip page unpoisoning only if __GFP_SKIP_KASAN_UNPOISON
https://git.kernel.org/arm64/c/6d05141a3930
[4/4] arm64: kasan: Revert "arm64: mte: reset the page tag in page->flags"
https://git.kernel.org/arm64/c/20794545c146
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
next prev parent reply other threads:[~2022-07-07 10:33 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-10 15:21 Catalin Marinas
2022-06-10 15:21 ` [PATCH v2 1/4] mm: kasan: Ensure the tags are visible before the tag in page->flags Catalin Marinas
2022-06-16 8:31 ` Vincenzo Frascino
2022-07-07 9:22 ` Will Deacon
2022-07-07 11:44 ` Catalin Marinas
2022-06-10 15:21 ` [PATCH v2 2/4] mm: kasan: Skip unpoisoning of user pages Catalin Marinas
2022-06-11 19:40 ` Andrey Konovalov
2022-06-16 8:42 ` Vincenzo Frascino
2022-06-16 17:40 ` Catalin Marinas
2022-06-10 15:21 ` [PATCH v2 3/4] mm: kasan: Skip page unpoisoning only if __GFP_SKIP_KASAN_UNPOISON Catalin Marinas
2022-06-11 19:40 ` Andrey Konovalov
2022-06-16 8:43 ` Vincenzo Frascino
2022-06-10 15:21 ` [PATCH v2 4/4] arm64: kasan: Revert "arm64: mte: reset the page tag in page->flags" Catalin Marinas
2022-06-11 19:40 ` Andrey Konovalov
2022-06-16 8:44 ` Vincenzo Frascino
2022-07-07 10:33 ` Will Deacon [this message]
2022-07-08 13:31 ` [PATCH v2 0/4] kasan: Fix ordering between MTE tag colouring and page->flags Will Deacon
2023-02-02 5:25 ` Kuan-Ying Lee (李冠穎)
2023-02-02 12:59 ` Andrey Konovalov
2023-02-03 3:41 ` Kuan-Ying Lee (李冠穎)
2023-02-03 17:51 ` Andrey Konovalov
2023-02-08 5:41 ` Qun-wei Lin (林群崴)
2023-02-10 6:19 ` Peter Collingbourne
2023-02-10 18:28 ` Catalin Marinas
2023-02-10 19:03 ` Peter Collingbourne
2023-02-13 18:47 ` Catalin Marinas
2023-02-14 1:56 ` Peter Collingbourne
2023-02-13 1:56 ` Qun-wei Lin (林群崴)
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